package com.itheima.reggie.common;


import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;

@Slf4j
@RestControllerAdvice(annotations = {RestController.class, Controller.class})
public class GlobalExeptionHandler {

    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)//特指sql异常
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException exception){
        log.error(exception.getMessage());
        //判断是不是唯一主键错误
        if(exception.getMessage().contains("Duplicate entry")){
            String[] split = exception.getMessage().split(" ");
            String msg = split[2] + "已存在";//提取出重复的那个
            return R.error(msg);
        }
        return R.error("未知错误");
    }

    @ExceptionHandler(BussinessException.class)
    public R handlerBussinessException(BussinessException exception){
        log.error(exception.getMessage());
        return R.error(exception.getMessage());
    }

}
